About this Abstract |
| Meeting |
2027 TMS Annual Meeting & Exhibition
|
| Symposium
|
Advanced Biomaterials and Implants
|
| Presentation Title |
3D Printed Load-Bearing Implants for Articulating Surfaces |
| Author(s) |
Lochan Upadhayay, Susmita Bose, Amit Bandyopadhyay |
| On-Site Speaker (Planned) |
Lochan Upadhayay |
| Abstract Scope |
Despite excellent long-term clinical outcomes of total hip arthroplasty, tribocorrosion at the modular head-neck taper remains one of the major causes of implant failure. Here, we present the first comprehensive study establishing 3D Printing (3DP) as a manufacturing route for load-bearing implants for articulating surfaces. 3DP’ed Ti6Al4V and CoCrMo femoral heads were fabricated and systematically compared with conventional wrought Grade 23 Ti6Al4V, ASTM F1537 CoCrMo, and hot isostatically pressed (HIP) Ti6Al4V counterparts. The effects of physiological pH and applied load on tribocorrosion were then systematically investigated to elucidate the governing degradation mechanisms. The observed tribocorrosion behavior was further correlated with the underlying microstructure and mechanical properties to establish structure-property-performance relationships. Corrosion was identified as the dominant degradation mechanism across all investigated material systems, with CoCrMo femoral coupled with Ti6Al4V exhibiting the largest corrosion damage, while increasing mechanical load accelerated degradation more strongly than changes in environmental pH. |
| Proceedings Inclusion? |
Planned: |
| Keywords |
Additive Manufacturing, Biomaterials, |